Pituitary stalk

Definition

The pituitary stalk, also known as the infundibulum, is a slender structure that connects the hypothalamus to the pituitary gland. It plays a crucial role in the transport of hormones and neuronal signals between these two regions.

5 Must Know Facts For Your Next Test

1. The pituitary stalk contains both blood vessels and nerve fibers.
2. It facilitates the passage of hormones from the hypothalamus to the anterior and posterior pituitary glands.
3. Damage to the pituitary stalk can lead to hormonal imbalances and endocrine disorders.
4. The hypophyseal portal system, found within the pituitary stalk, is essential for hormone transport.
5. It is anatomically located below the hypothalamus and above the sella turcica.

Related terms

Hypothalamus:

A brain region responsible for producing hormones that regulate various bodily functions.

Anterior Pituitary Gland: The front portion of the pituitary gland that secretes several key hormones.

Hypophyseal Portal System: A network of blood vessels in the pituitary stalk important for transporting hormones from the hypothalamus to the anterior pituitary gland.